login

A076945 as a simple table

na(n)
12
23
34
43
56
65
78
83
94
109
1112
125
1314
1413
1516
163
1718
185
1920
203
214
2221
2324
245
256
2625
274
2813
2930

[2,3,4,3,6,5,8,3,4,9,12,5,14,13,16,3,18,5,20,3,4,
 21,24,5,6,25,4,13,30]